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Application filed by Politechnika PoznanskafiledCriticalPolitechnika Poznanska
Priority to PL19830477ApriorityCriticalpatent/PL109846B1/pl
Publication of PL198304A1publicationCriticalpatent/PL198304A1/pl
Publication of PL109846B1publicationCriticalpatent/PL109846B1/pl